Description
Picture this: you need a rifle that bridges the gap between a precision tool and a defensive workhorse. Something that’s ready for a carbine course on Saturday and a coyote hunt at dawn on Sunday. You need a platform built for action, not just admiration. That’s where the Christensen Arms 5FiveSix .223/5.56, 16″ Barrel, MFT Stock, M-LOK, Black, 30rd comes in. It’s a modern sporting rifle engineered for practical accuracy and modularity, built on a foundation of Christensen’s aerospace-grade carbon fiber expertise. At $1600.53, it delivers a premium, lightweight build that’s drop-in ready for your optics and accessories.
Christensen Arms is known for pushing boundaries with materials, and the 5FiveSix is no exception. The heart of the system is its carbon fiber-wrapped barrel. This isn’t just for looks—it reduces weight significantly while managing heat and maintaining the rigid consistency needed for tight groups. The 16-inch length is the sweet spot for maneuverability in tight spaces, like a home defense scenario, without sacrificing too much velocity. It’s a balanced choice that won’t feel cumbersome after a long day on the range. The rifle weighs in at a svelte 6.5 pounds, making it easy to handle for extended periods.
The platform is built around a fully free-floated M-LOK handguard. This gives you acres of real estate to mount lights, lasers, grips, or bipods exactly where you need them. The minimalist MFT stock is lightweight and provides a solid cheek weld, and the entire system is mil-spec compatible. That means you can swap out triggers, grips, and other components with the vast aftermarket built for the AR-15 platform—no gunsmithing required. Want to pair it with a Geissele trigger or a Magpul pistol grip? Go ahead. The 5FiveSix accepts standard AR-15 magazines, so your existing 30-round PMAGs will work flawlessly.
| Specification | Detail |
|---|---|
| Caliber | .223 Remington / 5.56x45mm NATO |
| Barrel | 16″, Carbon Fiber Wrapped, 1:8 Twist |
| Overall Length | Approx. 34.5″ (Stock Collapsed) |
| Weight | 6.5 lbs |
| Stock | Mission First Tactical (MFT) Minimalist |
| Handguard | M-LOK Aluminum |
Pros: The carbon fiber barrel is the star, offering a fantastic strength-to-weight ratio and excellent heat dissipation. The rifle is incredibly light and points naturally. The full M-LOK handguard and mil-spec design make it a true blank canvas for customization. Out-of-the-box fit and finish are top-tier.
Cons: The premium materials and construction command a premium price point. For some, the minimalist stock may lack adjustability compared to more feature-rich models. It’s a tool for those who value performance over pure economy.
So who is this rifle for? It’s for the Missouri shooter who demands a no-compromise firearm for dynamic shooting sports, varmint control, or as a high-end defensive carbine. It’s for the enthusiast who appreciates advanced materials and wants a rifle that’s both a performer and a project base. It’s also for the hunter who needs to cover ground but still make a precise shot. This rifle ships to Missouri and compliant US states, ready for your FFL transfer.
Frequently Asked Questions
Q: Is the barrel truly free-floated?
A: Yes. The aluminum M-LOK handguard is attached only to the upper receiver, allowing the carbon-wrapped barrel to remain completely free-floated. This prevents external pressure from affecting point of impact, which is critical for consistency.
Q: Can I shoot both .223 Remington and 5.56 NATO ammunition safely?
A: Absolutely. The chamber is designed to safely fire both .223 Remington and the higher-pressure 5.56x45mm NATO rounds, giving you maximum flexibility in your ammunition choice depending on your needs.
Q: What comes with the rifle?
A: The rifle comes ready to run with one 30-round magazine. You’ll need to add your preferred optic or iron sights, and any M-LOK accessories you desire. It’s a complete upper and lower assembly that fits out of the box.
If a lightweight, accurate, and endlessly configurable modern rifle is what you’re after, the Christensen Arms 5FiveSix is built to exceed expectations. See full details and availability at firearms-missouri.com for Missouri residents and nationwide.
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